JPS6231606A - Endless belt carrier - Google Patents

Abstract

PURPOSE:To obtain effective carrying sections on both of advancing and returning ways of an endless belt by providing a slide surface along the outer peripheries of the curved section and the underside section of the endless belt and providing the belt with lock means projecting outwardly. CONSTITUTION:Articles introduced through a charge chute 9 are carried on an endless belt 3 in the upperside section 3a to be cooled by cold water discharged from shower nozzles 14 and especially by its heat of vaporization and reach a curved section 3b of the endless belt 3. In the curved section 3b, the articles to be carried are first supported on the endless belt 3 but thereafter, through the action of gravity, they slide on the surfaces of angular pipes 35 of a slide surface member 11, locked by pins 32. The articles are carried in this sliding manner in the underside section 3c to be cooled in the cold water tank 16 and taken out through a discharge chute 10 at the downstream end of the underside section 3c.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an endless belt for conveyance, and more particularly to an endless belt device for conveying articles in a heat exchange area.

<Prior Art> Conventionally, endless belt devices have been used to transport articles within dome freezers, cooling tanks, and drying ovens.

In order to perform the necessary heat exchange at this time, it is necessary to use a conveyor belt device with a sufficiently long section, and for this reason, dome freezers, cooling tanks, drying ovens, etc. tend to be long, which causes problems in terms of thermal efficiency. This tended to be a disadvantage.

<Problems to be Solved by the Invention> Therefore, the section length of the conveying belt device may be increased by providing a plurality of conventional endless belt devices in the vertical direction. In this case, since a plurality of belt devices are used in series, there are inconveniences such as the posture of the article changing or the article being deformed due to the difference in height when the article is transferred between the belt devices. Furthermore, each belt device requires a separate drive device, which requires a large amount of space and tends to increase costs.

Spiral belt conveyors are also known, but because of their complex construction, cost and maintainability can be problematic.

In view of these shortcomings of the conventional technology, the main object of the present invention is to provide an endless belt device for conveyance that has as long a conveyance section as possible within a limited space and has a simple structure. There is a particular thing.

<Means for Solving the Problems> According to the present invention, such an object is to provide an endless belt for conveyance having an endless belt and a means for driving the endless belt, wherein at least a bending section of the endless belt and a sliding surface provided along the outer peripheral surface of the lower section, and a locking means provided outwardly protruding from the endless belt. Ru.

<Function> In this way, by providing a sliding surface along the outer peripheral surface of a part of the section of the endless belt and by providing the locking means outwardly projecting on the endless belt, not only the upper section of the endless belt but also the sliding surface is provided. Even in the bending section and the lower section, the article is conveyed by holding the article between the endless belt and the sliding surface, and the conveying section is effective over both the forward and backward paths of the endless belt. will be obtained.

Embodiments The present invention will now be described in detail with reference to specific embodiments with reference to the accompanying drawings.

FIG. 1 is a side view schematically showing an embodiment of an endless conveying belt device according to the present invention. The endless belt device 2 according to the present invention is installed on a frame 1, and is constructed by suspending an endless belt 3 made of, for example, a wire mesh along a rail to be described later. The drive sprocket 4 is rotationally driven by a motor 6 via a drive chain 7.

The endless belt 3 has an upper section 3a, a bent section 3b, and a lower section 3C. A support member 8 having, for example, a support roller (not shown) for preventing the endless belt 3 from loosening is provided below the upper section 3a.
An input chute 9 for inputting articles to be conveyed is provided at the upstream end of a, and a take-out chute 10 for taking out the conveyed articles is provided at the downstream end of the lower section 3C. Further, a sliding surface member 11 is provided on the outer periphery of the bent section 3b and the lower section 3C of the endless belt 3.

A water storage tank 12 is provided at the bottom of the frame 1, and a nozzle header 13 having a plurality of shower nozzles 14 is provided above the upper section 3a of the endless belt 3.

Furthermore, a water receiving tank 15 for collecting the cooling water discharged from the shower nozzle 14 is provided below the support member 8 for the upper section 3a, and the lower section 3C of the endless belt 3 is provided with a cooling water tank 15. I am immersed in 16.

The cooling water stored in the water storage tank 12 passes through the drain port 17,
A pump 18 sends it to a cooling tower (not shown). The cooling water cooled in the cooling tower is supplied to the nozzle header 13 and the cooling water tank 16 through a pipe line 19. The used cooling water in the water receiving tank 15 and the cooling water tank 16 is stored in the water storage tank 12 from the water receiving port 21 via the pipe 20. In addition, a portion of the overflow of the cooling water in the water storage tank 12 is
From the overflow outlet 22, it is disposed of via a conduit 23.

The upper part of the nozzle header 13 is covered by a hood 24, and a ventilation fan 7 25 is provided at a suitable position above the hood 24.
is provided.

2 and 3 are perspective views showing a part of the upper section 3a of the endless belt 3 shown in FIG. They are fixed to the wire mesh 30 laterally at equal intervals. Each end of the flat parr 30 is bolted to a tongue piece 33a projecting from a link of a roller chain 33 driven by the drive sprocket 4, as shown in detail in FIG. The roller chain 33 has its roller portion 3
3b, it can slide within a rail 34 made of channel material with a C-shaped cross section. Also flat par 31
A plurality of pins 32 are erected outward on the surface.

FIG. 4 shows a cross section of the bent section 3b of the endless belt 3.

The sliding surface member 11 includes a plurality of square pipes 35 facing in the axial direction.
are fixed to the horizontal member 36 at intervals in the horizontal direction. In addition, a pin 32 erected on the flat par 31
The free end of the square pipe 35 slightly protrudes into the gap between the square pipes 35.

FIG. 5 is a cross-sectional view of the lower section 3G of the endless belt 3, which has a substantially similar shape to the bent portion, but is completely submerged in the cooling water tank 16.

Next, the operation of the above embodiment will be explained.

First, the article introduced from the input chute 9 is conveyed on the upper section 3a of the endless belt 3, and is passed through the shower nozzle 14.
The cooling water released from the belt 3 is cooled by its heat of vaporization, and reaches the bent section 3b of the endless belt 3. Bend section 3b
At first, the article to be conveyed is placed on the endless belt 3, but eventually due to the action of gravity, it slides on the surface of the square pipe 35 of the sliding surface member 11 while being stopped by the pin 32. It becomes like this. In this way, the conveyed article is conveyed through the lower section 3C while sliding on the square pipe 35 of the sliding surface member 11 while being pushed by the pin 32, cooled in the cooling water tank 16, and then lowered. It will be taken out by the take-out chute 10 from the downstream end of the side section 3C.

Therefore, according to the above embodiment, the article is conveyed over the reciprocating section of the endless conveying belt device, and it is possible to obtain a conveying distance approximately twice as long as that of the conventional conveying belt device. .

FIG. 6 is an explanatory diagram schematically showing a second embodiment of the endless belt device according to the present invention.

This embodiment relates to a freezing device for flash freezing frozen foods, for example, and includes an endless belt device 40 based on the present invention.
are arranged in a comb-teeth shape so that a plurality of layers are formed in the vertical direction. Each comb-shaped portion is formed with an upper section 40a, a bent section 4b, and a lower section 40c, and a sliding surface member 42 similar to that of the embodiment described above is provided along the outer periphery of the bent section 40b and the lower section 40C. It is provided.

This endless belt device is provided in the freezer 41, and the articles input from the input chute 43 are transferred to the freezer 41.
is fed onto the endless belt 40 from the inlet 41a of
As a result, it is taken out from the outlet 41b of the freezer 41.

In the case of this embodiment as well, since a long conveyance section can be provided within a limited space, it is not necessary to make the freezer 41 long like a dome freezer, and not only can the refrigeration efficiency be improved, but also This makes it possible to save the space required for a refrigeration system.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above, and can be applied to any application in which heating, cooling, drying, and heat treatment are performed continuously by using an endless belt made of various materials. It is possible, and the locking means provided for conveying the article across the bending section and the lower section is not limited to the pin 32 of the above embodiment, but may be other means depending on the nature of the article to be conveyed. That's fine.

<Effects of the Invention> According to the present invention, since the drive device is single and it is possible to realize an arbitrarily long conveyance section, it is extremely effective in saving space and improving thermal efficiency. be able to.

[Brief explanation of drawings]

FIG. 1 is a side view schematically showing an embodiment of an endless conveying belt device according to the present invention. 2 is a perspective view of the upper section of the endless belt of FIG. 1; FIG. FIG. 3 is an enlarged perspective view of the main part of FIG. 1. FIG. 4 is a cross-sectional view taken along line IV--IV in FIG. 1. FIG. 5 is a cross-sectional view taken along line v--v in FIG. FIG. 6 is an explanatory diagram schematically showing a second embodiment of the endless conveying belt device according to the present invention. 1... Frame 2... Endless belt device 3.
...Endless belt 3a...Upper section 3b...Bending section 3C...Lower section 4...Drive sprocket 6...Motor 7...Drive chain 8...
Support member 9... Insertion chute 10... Removal chute 11... Sliding surface member 12... Water tank 13
... Nozzle header 14 ... Shower nozzle 15.
...Water tank 16...Cooling water tank 17...Drain port 18...Pump 19.20...Pipeline
21...Water inlet 22...Overflow outlet 23...Pipeline 24...Hood 25...
Ventilation fan 30...wire mesh 31...flat par 32
・・・Pin 33・・Memorial chain 33a・
... Tongue piece 33b ... Roller 34 ... Rail 35 ... Square pipe 36 ... Horizontal member
40... Endless belt device 40a... Upper section 4
0b...Bending section 40c...Lower section 41...
・Freezer -42... Sliding surface member 43... Loading chute 44... Taking out chute

Claims (1)

[Scope of Claims] An endless belt for conveyance, comprising an endless belt and means for driving the endless belt, comprising: a sliding surface provided along the outer peripheral surface of at least a bent section and a lower section of the endless belt; An endless belt device for conveyance, comprising: a locking means projecting outward from the endless belt.